Recently I bought a Grand 2. When I loaded the SIM, the contacts shows hundreds of UNKNOWN which even doesn't have any numbers. Tried deleting those but nothing happens. My phone book appears below those hundreds of UNKNOWN list. Can anyone suggest whats the problem.

i just want to know if i add 16 gb memory in my phone he will work faster because it's very slow and i didn't install on it games or many applications for every click i wait about 10 sec for response. ??

krish, 28 Aug 2014hey my phone data connection is disconnecting when automatically changing from 3g to 2g and vi... moreme having the same issue.. but this is network problem.. you have to speak to customer care of you sim network

Hari, 28 Aug 2014Myself facing the same issue with in 5 minutes of charging,,overheat and burning smell is comi... moreI think ders a IC problem in ur cell...if iits in warranty..den its k...otherwise be ready to empty ur pocket..!!!